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JPL Small-Body Database Browser
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393360 (1998 TD26)
Classification: Main-belt Asteroid          SPK-ID: 2393360
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2494924192018105 4.5837e-08  
a 2.614686735065505 1.2066e-08 au
q 1.962342216079129 1.167e-07 au
i 4.007568625282322 9.7403e-06 deg
node 39.42967522094796 6.1792e-05 deg
peri 283.3464295967031 6.5254e-05 deg
M 91.01495939209273 1.9871e-05 deg
tp 2458610.074476603961
(2019-May-06.57447660)
8.3689e-05 TDB
period 1544.286668492268
4.23
1.069e-05
2.927e-08
d
yr
n .2331173397692272 1.6137e-09 deg/d
Q 3.267031254051881 1.5077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      8285 days (22.68 yr)  
   first obs. used      1997-05-14  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60466  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:49:47  

Additional Information
 Earth MOID = .954855 au 
 Jupiter MOID = 2.08583 au 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO503477  

393360 (1998 TD26)          Discovered 1998-Oct-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 1998 TD26 = 2002 SF40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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